Class / Patent application number | Description | Number of patent applications / Date published |
384474000 | Lubrication port | 30 |
20090046965 | Lubricating device for rolling bearing - A lubricating device for a rolling bearing includes a lubricating oil introduction member ( | 02-19-2009 |
20100202720 | ROLLING BEARING DEVICE - To provide a rolling bearing device designed to accomplish a stabilized retention of the retainer during a high speed rotation, to avoid a direct contact between guide surfaces and to reduce the power loss between retainer guide gaps, the rolling bearing device includes a rolling bearing unit having rolling elements retained by an annular retainer and intervening between raceways of inner and outer rings, and a nozzle member provided proximate to the outer ring. The nozzle member is provided with an annular collar portion inserted in a bearing space delimited between the inner ring and the outer ring and having a nozzle hole. This collar portion has an outer diametric surface in the form of a retainer guide surface, and an inner diametric surface of the retainer is guided by this retainer guide surface. | 08-12-2010 |
20110007991 | SYSTEM AND METHOD FOR ISOLATING A ROLLING-ELEMENT BEARING - Lubrication fluid is discharged through an axial gap between a outer bearing race and a bearing housing from an enclosed volume bounded in part by a forward surface of the outer bearing race that is axially slideable within the bearing housing so as to provide for changing the axial gap. The pressure in the enclosed volume is automatically controlled responsive to an axial force on outer bearing race by an axial position of the outer bearing race that determines a size of the axial gap, so as to provide for increasing the pressure responsive to increasing axial force over at least a portion of an operating range. The lubrication fluid in the axial gap provides for isolating axial vibrations of the outer bearing race relative to the bearing housing. | 01-13-2011 |
20120177314 | RETENTION OF BALL BEARING CARTRIDGE FOR TURBOMACHINERY - An assembly for a turbocharger includes a ball bearing cartridge, a center housing with a bore, a turbine end counterbore and a compressor end surface that includes a recess, and a compressor backplate with an axial extension configured to fit into the recess where the counterbore and the backplate define, at least in part, an axial length of a bearing cartridge chamber. Various other devices, assemblies, etc., are also disclosed. | 07-12-2012 |
20130202237 | ROLLING BEARING AND ROLLING BEARING ASSEMBLY - A rolling bearing includes rolling elements ( | 08-08-2013 |
20140185974 | SQUEEZE FILM DAMPER - A squeeze film damper is provided, which includes a bearing cartridge ( | 07-03-2014 |
20140199011 | ROLLING BEARING, NOTABLY USED IN A WIND TURBINE - A rolling bearing including an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways provided on the rings, each roller comprising a rolling surface in contact with said raceways and two opposite end faces. The inner and outer rings having guiding faces coming into contact with the end faces of the rollers. | 07-17-2014 |
20140270614 | BEARING SYSTEM - The improved bearing system includes an inner cartridge and an outer cartridge having respective bearing units configured to be mountable to a common axial shaft. A drain port is formed in the outer cartridge for discharging excess oil from the bearing system. An annular channel is generally formed from one of the cartridges for selectively receiving a preload ring. An annular groove is formed from a portion of the other cartridge and sized to slidably receive the preload ring. A preload element is disposed within the annular groove and axially compressed between a preload surface of the annular groove and the preload ring. The preload element maintains a simultaneous axial preload thrust on the bearing cartridges and respective bearing units in inwardly opposite axial directions. | 09-18-2014 |
20150093061 | APPARATUSES AND METHODS HAVING A BEARING SHIELD ARRANGEMENT - Various aspects of the present disclosure are directed towards an apparatus/method including rolling elements, an outer ring surrounding an inner ring and the inner and outer rings guiding rotation of the rolling elements in a rotation region therebetween, and a cap secured to the inner ring. The apparatus further includes a bearing shield arrangement secured to one of the outer and inner rings and configured with the other of the outer and inner rings to define a gap for the flow of vapor or lubricant from the rotation region through a vapor restricting pathway. | 04-02-2015 |
20150337902 | ROLLING BEARING - A rolling bearing is provided wherein one open end of the bearing space formed between an outer race and an inner race is covered with a sealing ring provided with oil flow holes provided with filters. The sealing ring includes a plurality engaging portions provided on the sealing ring in a protruding manner along the circumferential direction thereof, and engaged in recesses provided on the inner race. An annular member made of a material softer than that of the sealing ring is fixed to the sealing ring. The annular member includes a lip portion facing the outer race with a gap or kept in contact with the outer race. The sealing ring is formed by injection molding a resin, and weld lines generated during the injection molding are formed in the portions of the sealing ring corresponding to radial directions along which the oil flow holes are not disposed. | 11-26-2015 |
20160160924 | INTEGRAL OIL DAMPER AND JET FOR LUBRICATION OF BEARINGS AND SEALS - A system for utilizing a pressurized fluid includes first, second, and third coaxially disposed body members, each having a cylindrical shape. The third body member is movable relative to the second body member. The second body member has walls that define a cavity between the first and second body members and a passage within the second body member that directs pressurized fluid from a cavity to the third body member. A method of utilizing a pressurized fluid includes providing a coupling and a housing having a cavity defined therebetween, supplying pressurized fluid to the cavity, and providing a first passage that extends from the cavity to a first axially-facing surface of the non-rotating component. The cross-sectional area defined perpendicular to a local flow direction is configured for choked flow within the first passage. | 06-09-2016 |
384475000 | In race | 19 |
20080310781 | Method for Lubricating a Rolling Element Bearing by Means of an Ultra Low Viscosity Volatile Fluid, and Bearing Arrangement - A method for lubricating a rolling element bearing by an ultra low viscosity volatile fluid comprises injecting a liquefied fluid flow into the bearing, lubricating rolling contacts between the rings and the rolling elements of the bearing by the liquefied fluid, providing a flow restriction for the liquefied fluid so as to maintain at least part of the fluid at a pressure which is above the evaporation pressure which is defined by evaporation of the fluid at the temperature or temperatures which prevail(s) in the bearing. | 12-18-2008 |
20090028483 | Double row ball bearing - The large diameter cage has an asymmetric shape, a diameter (discharge diameter) of which close to an opening is larger than a diameter (inflow diameter) close to the small diameter cage, and the small diameter cage has a symmetric shape, in which a diameter (inflow diameter) of which close to an opening is equal to a diameter (discharge diameter) close to the large diameter cage. | 01-29-2009 |
20090129714 | Roller bearing device and method of lubricating roller bearing - A bearing device includes a lubricating device that supplies a lubricant to a first lubricating path when a rotating speed of an inner ring member is detected to be no more than a predetermined speed and supplies the lubricant to the first lubricating path and a second lubricating path when the rotating speed of the inner ring member is detected to be higher than the predetermined speed, the lubricating device including a changeover valve that controls a supply of the lubricant to the first and second lubricating paths according to the rotating speed of the inner ring member. | 05-21-2009 |
20090175569 | Bearing apparatus - A bearing apparatus includes: two split outer ring halves which includes outer ring raceway surfaces and are disposed within a supporting hole of the housing, respectively; and a plurality of rollers which are disposed on respective inner surfaces of the both split outer ring halves and supports a shaft. Each of the two split outer ring halves includes an oil hole penetrating the split outer ring half in a radial direction thereof and an oil groove formed on an outer diameter surface of the split outer ring half along a circumferential direction thereof to allow the oiling passage and the oil holes to communicate with each other. Each of the oil holes is disposed at a position located at an angle of within 45° from the joint surface of the split outer ring halves in an opposite direction to a rotating direction of the shaft. | 07-09-2009 |
20100158422 | ROLLER BEARING - An inner ring is formed with an oil hole extending through a part between an inner ring raceway surface and an inner peripheral face thereof, and configured to force out grease, which has been supplied to an area between the inner ring raceway surface and an outer ring raceway surface, to the inner peripheral face in accordance with rolling of cylindrical rollers. The inner peripheral face of the inner ring is formed with a plurality of V-shaped inclined grooves configured to guide the grease, which has been forced out to the inner peripheral face of the inner ring through the oil hole, to opposite end portions of the inner peripheral face in an axial direction of the inner ring. | 06-24-2010 |
20120155793 | BEARING ARRANGEMENT FOR HIGH-SPEED SHAFTS OF MACHINES - A bearing arrangement for high-speed shafts of machines, such as rotor shafts of turbochargers. The bearing arrangement has a bearing housing that has at least one oil feed line and in the housing at least one bearing is installed. The bearing guides the shaft at least radially. The bearing has a ring with at least one oil bore. The ring forms an annular gap with the bearing housing. The bearing is a single-row rolling contact bearing, in which the shaft is guided directly or via an inner ring, preferably a two-part inner ring, and the ring is an outer ring of the rolling contact bearing. | 06-21-2012 |
20120189235 | BEARING RACE FOR A ROLLING-ELEMENT BEARING - A bearing race for a rolling-element bearing, the race comprising: a circumferential channel which defines a raceway, wherein the raceway comprises a base portion and first and second side portions; and an oil scavenge passageway extending through the race from a boundary between the base portion and the first and/or second side portions of the raceway to an external surface of the race. | 07-26-2012 |
20130272639 | TOROIDAL BEARING - A toroidal bearing ( | 10-17-2013 |
20130336608 | BEARING ASSEMBLY FOR USE WITH A TURBINE ENGINE - Bearing assemblies, such as for use with a turbine engine, are disclosed. An example the bearing assembly may include an outer ring comprising an oil drainage aperture defined therein; an inner ring disposed coaxially within the outer ring, the inner ring including an oil supply aperture defined therein; and a plurality of rolling elements engaged between the outer ring and the inner ring, wherein the plurality of rolling elements are constructed of a ceramic material. | 12-19-2013 |
20140079349 | ROLLING BEARING - A bearing includes an inner ring, an outer ring, and a plurality of rolling elements. In the bearing, each of an inner ring raceway surface and an outer ring raceway surface has a contact area that comes into contact with the rolling elements, and a non-contact area that is formed adjacent to an outer side of an end portion of the contact area and does not come into contact with the rolling elements. A lubricant retaining portion having a recessed portion and a large number of non-uniform projections and depressions is formed at the non-contact area of at least one of the inner ring raceway surface and the outer ring raceway surface. | 03-20-2014 |
20140169717 | RADIAL ROLLER BEARING - A radial rolling bearing ( | 06-19-2014 |
20140205227 | BEARING - A bearing rotatably supports an axle and is held by an axle support. The bearing includes a bearing body having an oil groove, an inlet and an outlet. Lubricating oil is supplied into and held in the oil groove through the inlet. The oil groove is formed in an inner circumferential surface of the bearing body so as to extend in a circumferential direction of the bearing body. The bearing body is held by an inner circumferential surface of the axle support with an outer circumferential surface of the bearing body in contact with the inner circumferential surface of the axle support. The outlet is opened to an axial end of the bearing body for allowing the lubricating oil in the oil groove to be discharged from the bearing body. | 07-24-2014 |
20140341491 | Rolling Bearing Comprising a Housing Having Two Parts and Method of Manufacturing Such a Bearing - A rolling bearing comprising an inner ring, an outer ring, at least one row of rolling elements between the inner and outer rings, and an annular housing surrounding at least one of the rings, said outer ring comprising two separate parts, the housing comprising two distinct parts for retaining the parts of said outer ring and fixing means for fixing the distinct parts together. The first part of the housing comprises an inner axial cylindrical portion for retaining radially said outer ring and the second part of the housing comprises an outer axial cylindrical portion surrounding said inner axial cylindrical portion. | 11-20-2014 |
20150362013 | HYBRID DUPLEX BALL BEARING ASSEMBLY - According to one aspect of the present invention, a preloaded hybrid duplex bearing assembly is disclosed. A hybrid duplex ball bearing assembly includes a forward bearing, an aft bearing, and a preload spring, the preload spring disposed adjacent the aft bearing and configured to apply an axial force to push the aft bearing toward the forward bearing, where the forward bearing and aft bearing share an inner race. The forward bearing and the aft bearing are angular contact bearings each including a contact angle, and the contact angles of the forward bearing and the aft bearing converge at a point within the bearing assembly. In one embodiment, the aft bearing is not radially loaded and carries only the axial force of the preload spring. In at least one embodiment, the forward bearing forms a radial clearance fit with the aft bearing such that the aft bearing carries no radial load. | 12-17-2015 |
20160017920 | RADIAL BEARING ASSEMBLY, IN PARTICULAR FOR AN UNBALANCED SHAFT - A radial bearing assembly for supporting an outer part with respect to an inner part, which parts are rotatable relative to each other about a common longitudinal axis, the radial bearing assembly including a bearing seat formed on the outer part or on the inner part and having a width that varies over a circumference of the bearing seat, and assembly including at least one rolling-element in line contact with the bearing seat. The bearing seat includes at least one interruption configured such that the at least one rolling element is supported by the bearing seat along the entire circumference of the radial bearing assembly and such that at least part of the at least one rolling element makes line contact with the bearing seat along the entire circumference of the radial bearing assembly. | 01-21-2016 |
20160017921 | ROLLING-ELEMENT BEARING HAVING AN OBLIQUE RUNNING SURFACE SECTION - A rolling-element bearing with line contact includes bearing inner and outer parts having running surfaces, and at least one rolling element is disposed between and makes line contact with the bearing inner and outer parts. A width of the outer running surface and/or a width of the inner running surface is narrower at least in a first circumferential partial region than a length of the rolling-element, and in the first partial region the bearing outer part running surface and/or the bearing inner part running surface extends obliquely to a rolling direction of the at least one rolling element. | 01-21-2016 |
20160017924 | ROLLING-ELEMENT BEARING WITH LINE CONTACT INCLUDING A LUBRICANT CHANNEL - A rolling-element bearing with line contact includes a bearing outer part having a running surface, a bearing inner part having a running surface, and at least one rolling element disposed between the bearing inner part and the bearing outer part. The at least one rolling element is configured to make line contact with the running surface of the bearing outer part and with the running surface of the bearing inner part, and either or both of the bearing inner and outer parts includes at least one lubricant channel that is at least partially open to the running surface. | 01-21-2016 |
20160025140 | ROLLING ELEMENT BEARING CONFIGURED WITH A CHANNEL - A rolling element bearing includes a plurality of rolling elements, a bearing inner ring and a bearing outer ring. The rolling elements are arranged circumferentially around an axis, and radially between the inner ring and the outer ring. The inner ring includes a plurality of first passages, a second passage and a channel that extends axially into the inner ring. The first passages are arranged circumferentially around the axis. The first passages respectively extend axially through the inner ring from a plurality of first passage inlets to the channel. The second passage includes a second passage inlet that is substantially axially aligned with one of the first passage inlets. The second passage extends radially through the inner ring to a second passage outlet. | 01-28-2016 |
20160091018 | BEARING UNIT FOR PINIONS - A bearing unit for pinions, in which a pinion is rotatably supported through the bearing unit from the bearing unit itself. The pinion is mounted projecting from the bearing unit. The bearing unit is provided with a single outer ring with two raceways, an inner ring defined by a spacer and by two half-rings disposed on opposite sides of the spacer axially aligned with each other and each having a respective raceway. Two rows of balls are arranged inside of the raceways, where the diameters both of the rows of balls, and the balls themselves are different from each other depending on the proximity or otherwise of the row to the head of the pinion. | 03-31-2016 |